{"schema_version":"secwatch.filing_event.v1","accession":"0001273813-26-000044","form_type":"8-K","ticker":"AGO","cik":"0001273813","company_name":"ASSURED GUARANTY LTD","filed_at":"2026-03-19T23:59:59+00:00","discovered_at":"2026-05-14T18:02:34.687093+00:00","generated_at":"2026-05-15T09:35:07.509692+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Assured Guaranty Chief Credit Officer Stephen Donnarumma to retire Sept 30, 2026","bullets":["Donnarumma will step down as Chief Credit Officer effective Sept 30, 2026.","He will serve as senior advisor to the CEO from Oct 1, 2026 through Apr 2, 2027.","Donnarumma joined the company in 1993; served as AGL Chief Credit Officer since 2018.","No successor named; company expressed gratitude for over three decades of service."],"urls":{"canonical":"https://secwatch.observer/filing/0001273813-26-000044","json":"https://secwatch.observer/filing/0001273813-26-000044.json","markdown":"https://secwatch.observer/filing/0001273813-26-000044.md","text":"https://secwatch.observer/filing/0001273813-26-000044.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1273813/000127381326000044/0001273813-26-000044-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1273813/000127381326000044/ago-20260313.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T09:35:07.509692+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}